liyu@WAN wrote:
Sorry, I perhaps didn't said clearly.
As I knwon, if we remove vma from vma tree of task, the SIGSEGV must be
got!
but I am not removed them , I just unmapped them. and the SIGSEGV occurs
some times,
not alway.
I doublt on it.
Any clearly idea?
No clear ideas, no. Are you doing the proper synchronization and
flushing required when unmapping those regions?
If you can post your unmapping code to lkml, someone might be able
to spot a bug in it.
Thanks,
Nick
--
SUSE Labs, Novell Inc.
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